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Multivariate precursor information-based underground engineering water and mud burst risk evaluation method

A technology for underground engineering and risk assessment, applied in data processing applications, instruments, calculations, etc., can solve the problem of high accuracy of results, achieve the effects of high accuracy of results, rich evaluation information, and improved economy and effectiveness

Active Publication Date: 2018-08-14
SHANDONG UNIV
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Problems solved by technology

[0003] In order to solve the above problems, the present invention proposes a method for evaluating the risk of water and mud inrush in underground engineering based on multiple precursor information. Using multi-field information of multiple precursors to evaluate the risk of water and mud inrush disasters, the evaluation information is rich and the accuracy of the results is high

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  • Multivariate precursor information-based underground engineering water and mud burst risk evaluation method

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[0021] The present invention will be further described below in conjunction with the drawings and embodiments.

[0022] It should be pointed out that the following detailed descriptions are all illustrative and are intended to provide further explanations for the application. Unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which this application belongs.

[0023] It should be noted that the terms used here are only for describing specific implementations, and are not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should also be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate There are features, steps, operations, device...

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Abstract

The invention discloses a multivariate precursor information-based underground engineering water and mud burst risk evaluation method. The method comprises the steps of obtaining geophysical field characteristics, force field characteristics, seepage field characteristics and displacement field characteristics of engineering surrounding rocks of an underground engineering water and mud burst disaster, and preliminarily establishing index systems; confirming an interaction law of indexes among the established index systems, performing attribute reduction analysis on the index systems for geological characteristics of different engineering, and establishing optimized index systems; obtaining index weights in the optimized index systems by adopting a weight back analysis method and an expertscoring method, determining index parameters based on engineering geological exploration, and obtaining a risk level in an engineering design stage; and based on geophysical field data and force and displacement field data of field monitoring, obtaining a risk level in an engineering construction stage, and revising an evaluation level in the design stage.

Description

Technical field [0001] The invention relates to an underground engineering water and mud inrush risk evaluation method based on multiple precursor information. Background technique [0002] With the development of economy, underground engineering is gradually developing in depth, among which "deep", "long" and "high confining pressure" have become new characteristics and difficulties of underground engineering. Water and mud inrush accidents in underground engineering are a major geological disaster. Once an accident occurs, the consequences are extremely serious. At present, although the force field, displacement field, geophysical field, and seepage field information of the surrounding rock of the project can be obtained more accurately during construction, the risk of water and mud inrush disasters is evaluated with the precursor information of a single field, and there are multiple interpretations. The unreasonable evaluation results have greatly troubled the development and...

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Application Information

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IPC IPC(8): G06Q10/06G06Q50/08
CPCG06Q10/0635G06Q50/08
Inventor 薛翊国李志强李术才周炳桦张开苏茂鑫邱道宏李广坤
Owner SHANDONG UNIV
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